package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.context.properties.bind.BindResult;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

@Slf4j
@RestControllerAdvice
public class GulimallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handlerValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出现问题{}，异常类型{}", e.getMessage(), e.getClass());
        BindingResult result = e.getBindingResult();
        Map<String, String> map = new HashMap<>();
        if (result.hasErrors()) {
            result.getFieldErrors().forEach((item)->{
                String message = item.getDefaultMessage();
                String field = item.getField();
                map.put(message, field);
            });
        }
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(), BizCodeEnum.VALID_EXCEPTION.getMessage()).put("data", map);
    }

    @ExceptionHandler(value = Exception.class)
    public R handlerException(Exception e) {
        log.error("系统异常", e);
        return R.error();
    }
}
